Table 3. Compounds detected and identified in negative ionization mode.
| No. | Retention time (min) | Precursor m/z | Identification | Formula |
|---|---|---|---|---|
| 1 | 2.0747 | 133.0178 | D-(+)-Malic acid | C4H6O5 |
| 2 | 5.384533 | 153.0214 | Protocatechuic acid | C7H6O4 |
| 3 | 6.345 | 787.2714 | Eleutheroside E | C34H46O18 |
| 4 | 6.714317 | 447.0975 | Luteolin-7-O-glucoside | C21H20O11 |
| 5 | 6.8433 | 431.1001 | Vitexin | C21H20O10 |
| 6 | 7.0098 | 121.0319 | Benzoic acid | C7H6O2 |
| 7 | 7.109283 | 189.0551 | 6,8-Dimethyl-4-hydroxycoumarin | C11H10O3 |
| 8 | 7.197783 | 163.0432 | P-Coumaric acid | C9H8O3 |
| 9 | 8.282733 | 431.1031 | 5-Hydroxy-2-(4-hydroxyphenyl)-7-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-4-one | C21H20O10 |
| 10 | 8.501734 | 187.1008 | Azelaic acid | C9H16O4 |
| 11 | 8.584217 | 361.1675 | Secoisolariciresinol | C20H26O6 |
| 12 | 10.69313 | 593.153 | Apigenin-6-C-glucoside-7-O-glucoside | C27H30O15 |
| 13 | 11.4576 | 863.2072 | Cosmosiin | C21H20O10 |
| 14 | 16.85367 | 269.0463 | Genistein | C15H10O5 |
| 15 | 17.6438 | 269.0485 | Emodin | C15H10O5 |
| 16 | 19.35173 | 471.3476 | Maslinic acid | C30H48O4 |
| 17 | 22.29808 | 227.2043 | Myristic acid | C14H28O2 |
| 18 | 22.49942 | 253.22 | 9-Trans-palmitelaidic acid | C16H30O2 |
| 19 | 22.8264 | 279.2355 | Linoleic acid | C18H32O2 |
| 20 | 24.01052 | 255.2355 | Palmitic acid | C16H32O2 |
| 21 | 24.1085 | 281.2527 | Oleic acid | C18H34O2 |